MESON Chess Problem Database
Problem Display
PID: 219888 (5R1r/4Kn2/3pn2p/1R1pk3/3bP3/1b1PP2N/1B6/8 w - - 0 1)
Nemmer, Max F
Land og Folk, 0000
#2
8 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rxd5#
- 1...Bc2
- 2.Rxd5#
- 1...Ba4
- 2.Rxd5#
- 1...Sf4
- 2.Bxd4#
- 2.exd4#
- 2.exf4#
- 1...Sc5
- 2.Bxd4#
- 2.exd4#
- 1...Seg5
- 2.Bxd4#
- 2.exd4#
- 1...Sc7
- 2.Bxd4#
- 2.exd4#
- 1...Sg7
- 2.Bxd4#
- 2.exd4#
- 1...Sed8
- 2.Bxd4#
- 2.exd4#
- 1...Sxf8
- 2.Bxd4#
- 2.exd4#
- 1...Sfg5
- 2.Rf5#
- 1...Sfd8
- 2.Rf5#
- 1...Bd1
- Tries
- 1.Sf4?
- threat
- 2.Sg6#
- 1...Sxf4
- 2.Bxd4#
- 2.exd4#
- 1...Sxf8
- 2.Bxd4#
- 1...Rg8!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Sxf7#
- 1...Rxf8
- 2.Sf3#
- 1...Sexg5
- 2.Bxd4#
- 1...Sfxg5
- 2.Rf5#
- 1...Rh7
- 2.Sf3#
- 1...Bd1
- 2.Sxf7#
- 2.Rxd5#
- 1...Sed8
- 2.Sf3#
- 2.Bxd4#
- 1...Sfd8
- 2.Sf3#
- 2.Rf5#
- 1...hxg5!
- threat
- 1.Sf4?
- Keys
- 1.Sg1!
- threat
- 2.Sf3#
- 1...Bd1
- 2.Rxd5#
- 1...Seg5
- 2.Bxd4#
- 1...Sfg5
- 2.Rf5#
- threat
- 1.Sg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::R1(F),XP(c)
- S(h);OGATE::R1(H)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- S(f);N_GUARD,XR(H)::B(A),XB(b)
- Refutation
- R(i);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(i);XR(H)::S(D)
- S(f);N_GUARD,XS(D)::B(A),XB(b)
- S(h);OGATE,XS(D)::R1(H)
- R(i);::S(D)
- Refutation
- P(g);XS(D)
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- B(a);N_GUARD::R1(F),XP(c)
- S(f);N_GUARD::B(A),XB(b)
- S(h);OGATE::R1(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).